FITMENT: Engineered for 49-150cc horizontal crankcase engines with 13mm axle clearance slots (0.51"±0.02 tolerance), featuring 170mm reinforced shaft length to prevent crankcase interference across multiple displacement configurations
DIMENSION: Universal design accommodates both 4-stroke QMB series engines and 2-stroke power units, specially contoured for pit bike/ATV frames requiring 6.69" vertical clearance from pedal gear to engine block
High-Quality: Forged from SAE 1045 carbon steel with black oxide coating, achieving 45-50 HRC hardness for 2X wear resistance compared to standard kick starters
Smart Installation: Reverse-thread locking mechanism prevents operational loosening, with laser-etched alignment markers for precise 120° pedal angle adjustment during assembly
AFTER SALE: 30-day performance guarantee with lifetime technical support - receive replacement hardware or expert troubleshooting within 24hrs of inquiry submission